Omron NX-SID800

3 Part Names and Functions
3 - 16
NX-series Safety Control Unit User’s Manual (Z930)
• Dual-channel Input When I/O Short Detection between Lines Is Required
Example of Sysmac Studio Settings
Precautions for Correct Use
• Configure dual-channel inputs with safety input terminals on the same Unit. It is not always
possible to detect short circuits between safety input terminals on different Units.
• The total length of cable connected to one test output must be as follows:
NX-SIH400 and NX-SID800: 400 m max.
Additional Information
You can detect short-circuits between two input channels with the following methods:
• Dual-channel equivalent inputs: With Test Pulse
• Dual-channel complementary inputs: Without Test Pulse or With Test Pulse
NX-SI
T1
T0
Si0
Si1
NX-SI
T0
L
2
L
3
L
4
L
1
+ L
2
+ L
3
+ L
4
≤ 400 m
Si0
Si1
L
1